Airtac SAI100 Standard Air Cylinder SAI100BX120
The AirTAC Airtac SAI100 Standard Air Cylinder SAI100BX120 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 120mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ100 mm
- Stroke120 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAI100 Standard Air Cylinder SAI100BX120
The AirTAC SAI100X120 is a double-acting ISO 15552 profile cylinder engineered for heavy-duty automation. Delivering a robust 3927 N of push force at 0.5 MPa, this 100 mm bore unit is built to move substantial loads with reliability. The extruded aluminum barrel design omits traditional tie-rods, providing a rigid yet compact structure that integrates seamlessly into standardized machinery layouts.
This specific configuration features a SUS304 stainless steel piston rod (material code B), offering superior corrosion resistance for harsh or washdown environments. It utilizes PT tapered port threads (G1/2) for secure pneumatic connections. While standard adjustable air cushions manage end-of-stroke deceleration, this model does not include a magnet for sensor track; adding the -S suffix would enable CMSE or DMSE switches in the dual sensor grooves.
Airtac SAI100 Standard Air Cylinder SAI100BX120 Technical Specifications
| Model | Airtac SAI100 Standard Air Cylinder SAI100BX120 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 120 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| Rod thread | M20×1.5 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 36 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SAI series datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Port options: G (BSPP) / NPT.
Theoretical Output Force (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAI100 Standard Air Cylinder SAI100BX120
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×120 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAI-family variants: SAID (double rod), SAIJ (adjustable stroke), SAIL (with lock), SAIF (with valve), BSAI (enclasp / clamp-lock), and SAI-S with built-in magnet. Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B); seals: TPU (blank) / Viton H / NBR N.
Where the Airtac SAI100 Standard Air Cylinder SAI100BX120 Is Used
Automotive Body Welding
Provides the high clamping force required to hold heavy steel body panels firmly in place during automated robotic welding processes.
Pallet Handling Stops
Acts as a robust stopper cylinder in high-throughput conveyor lines, halting fully loaded pallets weighing hundreds of kilograms.
Heavy Press Ejection
Delivers reliable ejection force to push dense finished parts out of hydraulic presses, utilizing the 120 mm stroke for precise removal.
Is the Airtac SAI100 Standard Air Cylinder SAI100BX120 the Right Cylinder?
Selecting this 100 mm bore over the neighboring 80 mm variant makes sense when you need to step up from 2513 N to 3927 N of push force at 0.5 MPa to handle heavier payloads. Conversely, if your application only requires 1559 N, dropping to the 63 mm bore saves valuable space and air consumption. Operating at a 120 mm stroke keeps the rod highly rigid, minimizing side-load bending concerns.
As a true ISO 15552 profile cylinder, it serves as a direct dimensional drop-in replacement for other ISO 15552 compliant actuators on the market. Ensure your setup specifies the 100 mm bore, 120 mm stroke, G1/2 PT ports, and appropriate mounting accessories like FA flanges or TC trunnions. Remember that the standard SAI relies entirely on live air pressure to hold position; if your system needs to prevent drifting upon air loss, consider the SAIL locking variant or an external pilot check valve.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SAI100 Standard Air Cylinder SAI100BX120 FAQ
At a 0.5 MPa operating pressure, this 100 mm bore cylinder generates 3927 N of push force and 3681 N of pull force. If pressure is increased to 0.7 MPa, the push force reaches 5497 N.
Yes, because the SAI series is manufactured to the exact ISO 15552 mounting interface standards, it is dimensionally interchangeable with other ISO 15552 profile cylinders. You can swap it directly by matching the 100 mm bore, 120 mm stroke, and mounting dimensions.
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